On Thu, Jul 5, 2018 at 10:45 AM, Tom Pantelis <[email protected]> wrote:

>
>
> On Thu, Jul 5, 2018 at 1:42 PM, Michael Vorburger <[email protected]>
> wrote:
>
>> On Thu, Jul 5, 2018 at 7:39 PM, Tom Pantelis <[email protected]>
>> wrote:
>>
>>> On Thu, Jul 5, 2018 at 1:35 PM, Michael Vorburger <[email protected]>
>>> wrote:
>>>
>>>> Tom, or Robert, or anyone else having hit this themselves,
>>>>
>>>> would you be able to remind us what in clustering can cause an ODL
>>>> abrupt restart - System.exit() via bundleContext.getBundle(0).stop();
>>>> from https://github.com/opendaylight/controller/blob/master/opend
>>>> aylight/md-sal/sal-distributed-datastore/src/main/java/org/o
>>>> pendaylight/controller/cluster/akka/osgi/impl/QuarantinedMon
>>>> itorActorPropsFactory.java ?
>>>>
>>>> I do vaguely an "inconsistent cluster" leading to this - clarify
>>>> exactly what situation leads to that? Loss of leader? Loss of majority?
>>>>
>>>> asking for https://bugzilla.redhat.com/show_bug.cgi?id=1597304 ...
>>>>
>>>
>>> That happens when akka quarantines a node - it can no longer rejoin the
>>> majority cluster unless the actor system is restarted, hence we restart the
>>> whole JVM.
>>>
>>
>> and what can cause Akka to have to quarantine a node?
>>
>
>
> An unrecoverable failure state - see https://livingston.io/
> understanding-akkas-quarantine-state/ for more detail.
>

The most common cause is nodes getting isolated for a considerable amount
of time


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